SOLUTION: 2a-3b=-8
4a+3b=-34
I am supposed to be using either substitution, elimination, or inverse matrices to solve.
Thanks in advance for your time and help!
Algebra ->
Matrices-and-determiminant
-> SOLUTION: 2a-3b=-8
4a+3b=-34
I am supposed to be using either substitution, elimination, or inverse matrices to solve.
Thanks in advance for your time and help!
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Question 393527: 2a-3b=-8
4a+3b=-34
I am supposed to be using either substitution, elimination, or inverse matrices to solve.
Thanks in advance for your time and help! Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 2a-3b=-8
4a+3b=-34
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Add to eliminate the b-terms:
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6a = -42
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a = -7
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Solve for "b":
2a-3b=-8
2(-7)-3b = -8
-14-3b = -8
Add 14 to both sides to get:
-3b = 6
b = -2
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cheers,
Stan H.
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